A327216 a(n) = [(2n+3)r] - [(n+3)r] - [nr], where [ ] = floor and r = (1+sqrt(5))/2.

0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0

Offset

0

Links

Clark Kimberling, Table of n, a(n) for n = 0..10000

Mathematica

r = (1+Sqrt[5])/2; z = 200;
t = Table[Floor[(2 n + 3) r] - Floor[(n*r + 3 r)] - Floor[n*r], {n, 0, z}] (* fixed by Jianing Song, Sep 30 2019 *)

Crossrefs

The positions of 0's and 1's in {a(n) : n > 0} are given by A327217 and A327218.

Sequence in context: A189031 A189212 A147781 * A288640 A361115 A082446

Adjacent sequences: A327213 A327214 A327215 * A327217 A327218 A327219

Keyword

nonn,easy

Author

Clark Kimberling, Sep 02 2019

Status

approved